/*
 * Copyright 2009 Bart Guijt and others.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package com.google.code.gwt.geolocation.client;

/**
 * Represents the Position callback interface.
 * 
 * @author bguijt
 * @see <a href="http://www.w3.org/TR/geolocation-API/#position-callback">W3C
 *      Geolocation API - PositionCallback interface</a>
 * @see <a href="http://www.w3.org/TR/geolocation-API/#error-callback">W3C
 *      Geolocation API - PositionErrorCallback interface</a>
 */
public interface PositionCallback {

  /**
   * Invoked when asking for the (current) position succeeds.
   * 
   * @param position the (current) position of the hosting device
   */
  void onSuccess(Position position);

  /**
   * Invoked when asking for the (current) position fails.
   * 
   * @param error the error details encountered.
   */
  void onFailure(PositionError error);
}
